Code Review with GitHub Copilot CLI

English | 中文

A demonstration project showing how to integrate GitHub Copilot CLI with GitLab CI for automated code review.

Overview

This project demonstrates:

• A Snake game implementation with intentional code quality issues
• GitLab CI pipeline that runs GitHub Copilot CLI (copilot command) on merge requests
• Automated posting of AI-generated code review feedback

Key Files

• .gitlab-ci.yml - GitLab CI/CD pipeline configuration
• scripts/review-mr.sh - Automated review script using Copilot CLI

Demo Review Results

See real examples of automated code reviews:

• English Review Example - Review output in English

Quick Start

1. Clone the repository

   git clone https://gitlab.com/YOUR_USERNAME/code-review-with-copilot-cli.git
   cd code-review-with-copilot-cli

2. Play the game locally

   # Open src/index.html in your browser
   # Or use a local server:
   python -m http.server 8000
   # Visit: http://localhost:8000/src/

3. Set up GitLab CI Variables

   • Navigate to Settings → CI/CD → Variables
   • Add GITHUB_TOKEN (GitHub Personal Access Token with Copilot access)
   • Add GITLAB_TOKEN (GitLab API token with api scope)
   • Important: Do NOT mark these variables as "Protected", because MR pipelines run on non-protected branches. Protected variables are only available on protected branches (like main/master)
   • Optional: Add REVIEW_LANGUAGE variable to set review language:
     • en (default) - English reviews
     • zh - Chinese reviews

4. Create a merge request to see the demo

   • Create a feature branch with improvements to the Snake game
   • Push your branch and create a merge request
   • Watch the CI pipeline run and post Copilot review feedback

Project Structure

src/
├── index.html           # Main game page
├── styles/
│   └── game.css        # Game styling
├── scripts/
│   ├── game.js         # Core game logic
│   ├── snake.js        # Snake entity
│   └── utils.js        # Utility functions
└── assets/             # Game assets

.gitlab-ci.yml          # CI configuration
scripts/
└── review-mr.sh        # Copilot review script

Requirements

• GitLab account with CI/CD access
• GitHub account with Copilot subscription
• Modern web browser (Chrome, Firefox, Safari)

License

MIT License - See LICENSE file for details